a{
    text-decoration: none;
    color: white;
}
body{
    margin: 0px;
}
.header{
    width:100%;
    text-align:center;
   /* background-color: #2b303b;*/
    background-color:#3cafaf;
    height: 100px;
}
.header1{
    width:30%;
    float:left;
}
.img{
    width: 100%;
    height: 100px;
}
.header2{
    width: 30%;
    float: left;
    font-size: 24px;
    color: white;
    margin-left: 20px;
    line-height: 100px;
}
.header3 {
    float: right;
    font-size: 12px;
    color: white;
    font-family: "Microsoft Yahei";
    text-align: center;
    border-color: #2b303b;
    line-height: 100px;
    margin-right: 20px;
}
#header:after{
    content: '';
    display: block;
    clear: both;
}
.nav1{
    width:100%;
    font-size: 16px;
    text-align:center;
    /*overflow: visible;*/
    color: white;
    background-color: #21c5c5;
    height:30px;
    line-height: 30px;
}
.nav a{
    width:5%;
    padding: 2%;
    /*color: white;*/
    /*text-decoration: none;*/
}
.nav a:hover{
    color: white;
    text-decoration: none;
}
.footer{
    width:100%;
    text-align:center;
    background-color:#3cafaf;
    height: 40px;
    line-height: 40px;
    float: left;
}





